Lem

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Cross-platform and highly extensible Common Lisp editor/IDE.

Lem screenshot 1

Cost / License

Free
Open Source (MIT)

Application type

IDE

Platforms

Mac
Windows
Linux

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Paul added Lem as alternative to mine IDE
6 months ago

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In-browser IDE supporting 50+ languages with an AI assistant, real-time collaboration, Git support, hosting, deployment, and live code sharing.

Lem information

Developed by
cxxxr
Licensing
Open Source (MIT) and Free product.
Alternatives
4 alternatives listed
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Supported Languages
- English

AlternativeTo Categories

Development, Office & Productivity

GitHub repository

2,827 Stars
234 Forks
62 Open Issues
Updated Dec 18, 2025

Popular alternatives

Lem was added to AlternativeTo by David on Jan 21, 2020 and this page was last updated Apr 27, 2024.

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What is Lem?

Lem is the highly-extensible editor/IDE well-tuned for Common Lisp.